This Is How Tunnel Boring Machines Build Underground Megastructures

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This Is How Tunnel Boring Machines Build Underground Megastructures

Tunnel boring machines are the true giants of underground construction. In this video, you’ll witness how a massive TBM (Tunnel Boring Machine) pierces through rock and soil to create massive infrastructure projects with mind-blowing precision engineering.

These steel worms can stretch over 140 meters and weigh more than 1,000 tons—yet they move underground with smooth, calculated power. With a margin of error of just millimeters, TBMs are used in high-stakes megaprojects worldwide, including metro systems, deep tunnels, and water conveyance networks.

As the machine breaks through the wall of the tunnel, the scene is both emotional and impressive—showing the raw power of engineering innovation. Operating a TBM involves complex hydraulic systems, GPS tracking, and constant adjustments to maintain the planned trajectory.

If you’ve ever wondered how tunnels are made beneath our cities, this video will blow your mind.

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